How to fix laundry tiling with water not running to drain?

[Mattinterior]

I have just had  my Laundry screeded and tiled. When I pore water through the bottom of cabinet directly behind drain (plumbing not connected yet ) the water flows under the cabinet but away from the drain not towards  it!!

My understanding the purpose of screeding is to allow a fall to direct water towards the drain not away.

I appreciate any feedback..Thanks 

[JacobZ]

Hi @Mattinterior,

Thank you for your post and welcome to the Bunnings Workshop community.

It is not necessarily a requirement for a laundry floor to be graded towards a floor waste. It is possible that this waste is not there to act as drainage, but rather an inspection point, or a trap for containing gases from waste water.

Unfortunately, I do not have access to the Australian Standards that outline the building requirements relating to this. 

As the work was only carried out recently, I would suggest speaking with the installer about what you've found and whether this waste's intended purpose is to drain surface water.

Let me know if you have any further questions.

Jacob